{
struct device_opp *dev_opp;
struct device_list_opp *list_dev;
+ struct device_node *np;
/* Check for existing list for 'dev' first */
dev_opp = _find_device_opp(dev);
return NULL;
}
+ /*
+ * Only required for backward compatibility with v1 bindings, but isn't
+ * harmful for other cases. And so we do it unconditionally.
+ */
+ np = of_node_get(dev->of_node);
+ if (np) {
+ u32 val;
+
+ if (!of_property_read_u32(np, "clock-latency", &val))
+ dev_opp->clock_latency_ns_max = val;
+ of_property_read_u32(np, "voltage-tolerance",
+ &dev_opp->voltage_tolerance_v1);
+ of_node_put(np);
+ }
+
srcu_init_notifier_head(&dev_opp->srcu_head);
INIT_LIST_HEAD(&dev_opp->opp_list);
{
struct device_opp *dev_opp;
struct dev_pm_opp *new_opp;
+ unsigned long tol;
int ret;
/* Hold our list modification lock here */
/* populate the opp table */
new_opp->rate = freq;
+ tol = u_volt * dev_opp->voltage_tolerance_v1 / 100;
new_opp->u_volt = u_volt;
+ new_opp->u_volt_min = u_volt - tol;
+ new_opp->u_volt_max = u_volt + tol;
new_opp->available = true;
new_opp->dynamic = dynamic;
* @dentry: debugfs dentry pointer of the real device directory (not links).
* @dentry_name: Name of the real dentry.
*
+ * @voltage_tolerance_v1: In percentage, for v1 bindings only.
+ *
* This is an internal data structure maintaining the link to opps attached to
* a device. This structure is not meant to be shared to users as it is
* meant for book keeping and private to OPP library.
struct device_node *np;
unsigned long clock_latency_ns_max;
+
+ /* For backward compatibility with v1 bindings */
+ unsigned int voltage_tolerance_v1;
+
bool shared_opp;
struct dev_pm_opp *suspend_opp;